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I need a Fuel Injection System Wiring Diagram for a 2000 Isuzu NPR 4 cylinder Diesel Box Truck

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  • Anonymous Mar 26, 2014

    My truck has a safestop automotive management system,how can I remove or disconnect it

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Hi!!
Go to this site to download a manual. http://www.pdfoo.com/isuzu/248-6673-pdf.html
In case it does not work, go to this site to look for the info. you need www.isuzutruck.co.uk
Good luck!!

Posted on Sep 28, 2010

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Posted on Jan 02, 2017

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I need a wiring diagram for a 2004 isuzu npr diesel.


Sorry we do not have wiring diagrams for this car

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youd need the NPR heavy truck, FSM book page on radio wiring
buy book at any Isuzu heavy truck dealer.
we dont now what radio option cam on that NPR
nor what country , other countries use different radios.
so..... this is USA forum, and we dont have NPR books.

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1 Answer

WHY DOES MY ISUZU 4HL1 ENGINE HAVE A HARD START ALWAYS?


no car stated, huge NPR truck no less.
no year stated
so no free book information on that engine,.
big diesel. 4HL1, no dash letter?
compression at spec.?
glow plugs work.,
filters clean. water in fuel,
does test fuel (spray'd) help? ???
injection problems
lack of startup air.(filter)


The 4HL1 is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 140 PS (103 kW) at 3,000 rpm. Maximum torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
The 4HL1-N is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 131 PS (96 kW) at 3,000 rpm. Maximum Torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
The 4HL1-TC is a common rail direct injection OHC 16 V turbocharged and intercooled high-pressure fuel injection system engine of 4.777 L capacity with electronic control system. Peak torque is 425 Nm, peak power is 160 PS (118 kW) at 2,700 rpm. Maximum torque is (43.3 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.
The 4HL1-TCS is a common rail direct injection OHC 16 V turbocharged and intercooled high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 500 Nm, peak power is 179 PS (132 kW) at 2,700 rpm. Maximum torque is (51.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 115 mm.

May 31, 2016 | Isuzu Cars & Trucks

1 Answer

I don't know how to change fuel pressure regulator in my Isuzu 2007 NPR can somebody give me a hand on that


this is no heavy truck forum. its only light and cars.
NPR what, (the number)
and what engine? fuel parts match up to and engine.
no year NPR. wow. and have gas or diesel engines.
no fuel stated either.
NPR started in USA in 1985 (this is USA forum)
this?

26185177-qvvdcm34jvcwbumk4o5kywm4-3-0.jpg

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1 Answer

My 2002 isuzu npr diesel f14 ign/ecu fuse blows about 20 seconds after starting. The glow plugs are on the circuit. It's not a direct short to ground. I'm can't find the right wiring schematic.


first off
no country stated
the books are indexed by
country
year 2002
isuzu NPR heavy truck
ask Isuzu for matching FSM book at your dealer.>
factory service manual.

shorts
remove all loads on the feed F14.
then add them 1 by 1 until it blows. bingo. last add is shorted
id bet ecu and glows are not same feed
glows suck huge current
ecu, nill

join a read isuzu forum
or heavy truck?

Feb 01, 2016 | Isuzu Cars & Trucks

1 Answer

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4bc2 . ELF truck?
e 4BC2 is a 3.3 L direct injection diesel (otherwise the same as the 4BC1) sold in the Isuzu ELF and NPR trucks from 1982 to 1987



what year
what country?
i guess you think all engines work same in all countries and years?
wow.

did you ask ISUZU first? that be first. right, a book on your heavy truck.
finding free books in this truck, is hard, i gave up.


26011648-b5pjo3cin0lhc1b54v4xlnuy-4-0.jpg

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1 Answer

A Isuzu NPR 4hf1 rotary pump timing marks set


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1 Answer

No fuel pressure coming out the injectors of my 1999 isuzu npr diesel truck


fuel pump shot or fuel injectors plugged also check for loose wiring by your tank or by the injectors

Jul 14, 2014 | 1999 Isuzu Trooper

1 Answer

Elf with engine 4hl1. Where can I get a wiring diagram?


in what country?
what year ELF.?
wiring,of what?
the whole truck, or just engine, electrics.
Isuzu sells a book, that covers this, ask them yet?
as you can see its direct injected.
and injections systems are not the same for every country. (smog laws. etc)
get it scanned yet.
no job stated, no problems stated, no symptoms stated.


this engine is:
The 4HL1 is a common rail direct injection OHC 16V high-pressure fuel injection system diesel engine of 4.777 L capacity with electronic control system. Peak torque is 333 Nm, peak power is 140 PS (103 kW) at 3,000 rpm. Maximum torque is (34.0 kg m)'/1,500 rpm. Bore is 115 mm, stroke is 125 mm.

Sep 15, 2012 | Isuzu Cars & Trucks

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